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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 323

Hello, I _________ you _________ in London. How long have you been here?

A.don’t know; were B.didn’t know; were
C.haven’t known; are D.hadn’t known; are
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Hello,IyouinLondon.Howlonghave